Security key
812215200
Seaport Entertainment Group Inc. - Common Stock (SEG)
CUSIP: 812215200
Q2 2026 13F Holders as of 30 Jun 2026
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 188,062
- Total 13F value
- $5,002,450
- Share change
- +34,797
- SEC-reported price per share
- $26.60
- Number of holders
- 25
- Value change
- +$958,106
- Number of buys
- 11
- Number of sells
- 5
- Shares outstanding
- 12,767,537
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q2 2026
Institutions
25
Top holders
10
SEG full security history
Ownership snapshot
Full 13F holder table
Seaport Entertainment Group Inc. SEC filings
Seaport Entertainment Group Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 812215200
Recent filing periods:
Ownership snapshot
Top reported holders of SEG - Seaport Entertainment Group Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
KAHN BROTHERS GROUP INC
Disclosed value leader
Pershing Square Capital M...
Comparable rows
15/15
Latest evidence
15 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 7%
13D/G row: KAHN BROTHERS GROUP INC
Showing 1-6 of 15 holder rows.
Quick read
KAHN BROTHERS GROUP INC leads the comparable SEC ownership view at 7%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens KAHN BROTHERS GROUP INC's linked filing trail.
Comparable ownership
Top 5
KAHN BROTHERS GROUP INC
7%
GATE CITY CAPITAL MANAGEMENT, LLC
5.4%
Rubric Capital Management LP
4.5%
Beryl Capital Management LLC
2.7%
BlackRock, Inc.
2.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| KAHN BROTHERS GROUP INC |
13D/G
13F
Company
|
7%
|
$19,838,572
893,227 shares
|
$0 | 08 May 2026 |
| GATE CITY CAPITAL MANAGEMENT, LLC |
13D/G
13F
Company
|
5.4%
|
$15,312,618
689,447 shares
|
$0 | 31 Mar 2026 |
| Rubric Capital Management LP |
13F
13D/G
Company
|
4.5%
from 13D/G
|
$12,212,024
568,530 shares
|
— | 31 Mar 2026 |
| Beryl Capital Management LLC |
13D/G
|
2.7%
|
$6,527,217
336,628 shares
|
$0 | 31 Dec 2024 |
| BlackRock, Inc. |
13F
13D/G
Company
|
2.6%
from 13D/G
|
$10,860,910
505,629 shares
|
— | 31 Mar 2026 |
| Pershing Square Capital Management, L.P. |
13F
3/4/5
Company · Director, 10%+ Owner
|
0.71%
from 3/4/5
|
$107,910,794
5,023,780 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q2 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
25
Shares
188,062
Rows available
25
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q2 2026 vs Q1 2026 Across Filers
Q1 2026 holders
116
Q2 2026 holders
25
Holder diff
-91
| Investor | Q1 2026 Shares | Q2 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q2 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend